2java示例
{
main([] args) {
Processor word WordProcessor();
Processor syntax SyntaxProcessor();
Processor compile CompileProcessor();
word.setNext(syntax);
syntax.setNext(compile);
word.handle();
}
}
{
setNext(Processor p);
handle();
}
Processor {
Processor next;
setNext(Processor p) {
.nextp;
}
handle() {
System.out.println();
(.next){
.next.handle();
}
}
}
Processor {
Processor next;
setNext(Processor p) {
.nextp;
}
handle() {
System.out.println();
(.next){
.next.handle();
}
}
}
Processor {
Processor next;
setNext(Processor p) {
.nextp;
}
handle() {
System.out.println();
(.next){
.next.handle();
}
}
}